THE PALYNOLOGY AND PALAEONVIRONMENT OF THE UPPER TRIASSIC DOLOMITIC-MARLY SEQUENCE OF DOGNA VALLEY (UDINE, FRIULI-VENEZIA GIULIA, NE ITALY) WITH REPTILE TRACKWAYS. RIVISTA ITALIANA DI PALEONTOLOGIA E STRATIGRAFIA , v. 103, n. 2, 31 Jul.1997.